package com.candy;

import java.io.Serializable;

/**
 * @author SnowmanAndBee
 * @version <version>
 * <description>
 * @date 2022/4/9 - 17:06
 */
public interface State extends Serializable {
    void insertQuarter();

    void ejectQuarter();

    void turnCrank();

    void dispense();
}
